| Countries With More Than 100 Million People | 0 | - | 4.99 | 167,138 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 125,173 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 336,464 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 175,462 |
| Countries with Megacities | 0 | - | 4.99 | 267,765 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 201,112 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 114,315 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 139,443 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 82,420 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,455,804 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 382,907 |
| Biggest Cities in the World | 0 | - | 4.91 | 806,819 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 71,053 |
| Demographics Multiple Choice | 0 | - | 4.70 | 42,413 |
| Boundary Waters | 0 | - | 4.92 | 88,828 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.88 | 35,456 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,814 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 63,525 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 61,051 |
| "Second Best" Geography Edition #3 | 0 | - | 4.89 | 71,072 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,561 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 87,445 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 269,494 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,794 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,988 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.91 | 94,349 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,708 |
| Biggest City by Time Zone | 0 | - | 4.88 | 69,074 |
| Biggest City in Every Country | 0 | - | 4.98 | 102,156 |
| Biggest Cities by Latitude Range | 0 | - | 4.81 | 32,937 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 227,771 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 111,632 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.94 | 150,509 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 80,927 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 85,368 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 81,076 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 60,705 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.92 | 70,826 |
| Ten Southernmost Megacities | 0 | - | 4.84 | 65,292 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 68,541 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 132,695 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 421,083 |
| Biggest Cities in the United States | 0 | - | 4.94 | 988,877 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 368,447 |
| Countries of Europe by Population | 0 | - | 4.98 | 183,550 |
| Most Populous Countries by Year | 0 | - | 4.83 | 111,586 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,964 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 131,536 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 108,825 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,872 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 91,024 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 93,248 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 129,760 |
| Biggest Cities by Language | 0 | - | 4.96 | 247,827 |
| Largest City by Island | 0 | - | 4.87 | 72,554 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 71,479 |
| Most Populous World Capitals | 0 | - | 4.94 | 176,840 |
| Biggest European Cities by Century | 0 | - | 4.99 | 146,234 |
| Megacities on a World Map | 0 | - | 4.98 | 257,384 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,827 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 75,822 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 116,741 |
| Three Biggest Cities by Time Zone With Map | 0 | - | 4.98 | 35,345 |
| Biggest City in Each U.S. State | 0 | - | 4.87 | 169,826 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 223,994 |
| First Countries to Reach 5 Million People | 0 | - | 4.93 | 135,999 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,600 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 93,274 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,566 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,916 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,853 |
| Countries with the Highest Population Density | 0 | - | 4.94 | 165,791 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 171,105 |
| Most Populous Islands | 0 | - | 4.80 | 123,423 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,400 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,671 |
| Countries by Population Decrease | 0 | - | 4.46 | 50,015 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 64,541 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 582,726 |
| Landlocked Countries | 0 | - | 4.99 | 427,115 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 591,520 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.86 | 23,881 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,957,474 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,979 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 96,496 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 234,883 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 185,418 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 195,248 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.93 | 105,071 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,963 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.98 | 160,093 |
| Population Trivia | 0 | - | 4.32 | 27,589 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 74,682 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 169,108 |
| Biggest Cities in Asia | 0 | - | 4.95 | 118,324 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 50,478 |
| Megacities on an Empty Map | 0 | - | 4.97 | 119,341 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 51,585 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 174,346 |
| Sahara Desert Countries | 0 | - | 4.98 | 166,858 |
| Himalayan Countries | 0 | - | 4.93 | 140,763 |
| Andean Countries | 0 | - | 4.94 | 85,767 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,891 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 127,454 |
| Coffee Producing Countries | 0 | - | 4.83 | 68,445 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,670 |
| Danube Countries | 0 | - | 4.97 | 72,527 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 117,773 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,960 |
| Countries with the Worst Passports | 0 | - | 4.93 | 85,409 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,883 |
| European Landlocked Countries | 0 | - | 4.99 | 147,721 |
| Partially Recognized Countries | 0 | - | 4.98 | 107,516 |
| Countries with the Most Species | 0 | - | 4.99 | 103,636 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,611 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,807 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,948 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,910 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,667 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 58,119 |
| Countries in the Alps | 0 | - | 4.87 | 118,944 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 102,951 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 108,091 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 79,049 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 97,154 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 117,108 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,373 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 101,570 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,981 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,505 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 63,301 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,947 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.91 | 41,821 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,661 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,910 |
| Countries with the Most Grassland | 0 | - | 4.94 | 78,012 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 120,115 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,718 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 76,335 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,824 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 246,228 |
| World Countries - Blind Typing | 0 | - | 5.00 | 109,454 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,604 |
| Largest Countries By Category | 0 | - | 4.97 | 159,061 |
| Countries by Countries | 0 | - | 4.97 | 63,793 |
| Country Flags with the Most White | 0 | - | 4.85 | 139,415 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,443 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,702 |
| All Countries by Population With a Map | 0 | - | 4.98 | 111,361 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 99,537 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 89,211 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 146,563 |
| Western Europe Map Quiz | 0 | - | 4.86 | 94,022 |
| Tourist Attraction by Negative Review | 0 | - | 4.85 | 82,874 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,653 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 210,362 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,643 |
| Longest International Borders | 0 | - | 4.99 | 265,971 |
| Countries with Three Borders | 0 | - | 4.96 | 36,826 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 42,418 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 48,557 |
| Countries with the Lowest Maximum Elevation | 0 | - | 4.86 | 37,205 |
| Demonym of Every Country | 0 | - | 4.90 | 61,620 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 84,803 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 349,262 |
| World Capitals Quiz | 0 | - | 5.00 | 5,112,700 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,811,357 |
| Pacific Ocean General Knowledge | 0 | - | 4.70 | 36,404 |
| The Same Prefixes - Geography | 0 | - | 4.48 | 48,063 |
| "Second Best" Geography Edition #1 | 0 | - | 4.56 | 63,737 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.77 | 116,221 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 60,192 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 102,676 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 56,178 |
| Biggest City by Region | 0 | - | 4.50 | 36,415 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 57,367 |
| Northernmost Major City by Country | 0 | - | 4.57 | 33,326 |
| Largest World Capitals with Exceptions | 0 | - | 4.64 | 52,458 |
| Two Largest Cities by First Two Letters | 0 | - | 4.52 | 83,602 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,597 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,853 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.84 | 69,362 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 74,022 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 226,042 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 137,903 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.90 | 116,694 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,601,922 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 377,000 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 410,266 |
| Island Countries | 0 | - | 4.99 | 712,946 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,055,985 |
| Northernmost Countries | 0 | - | 4.99 | 364,523 |
| Countries of South America | 0 | - | 5.00 | 934,053 |
| Countries of Oceania | 0 | - | 5.00 | 1,065,219 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,892,528 |
| "Land" Countries | 0 | - | 4.98 | 338,931 |
| Top World Languages | 0 | - | 4.92 | 831,064 |
| Analogies of Countries #1 | 0 | - | 4.89 | 68,770 |
| Globe Grid | 0 | - | 4.32 | 32,045 |
| World Map Divided into Regions | 0 | - | 4.19 | 42,220 |
